Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
khong hoc » khung hoc, thong hoc, khong thuoc
sach hoi » sach doi, sach moi, cach thoi
dong hoc » dong co, dong luc
van phan » van phong, van thanh, luan phan
phan van » pham van, thanh van, luan van
te sach » toc sach
hoi tap » hoi dap, hoc tap, hoi tai
hai van » thai van, ha van, hai tan
ma hai » ta hai, va hai, xa hai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach hoi tap, nghien cuu ((dong hoc) or (nang luc)) nganh khong hoc ma hai van phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach hoi tap, nghien cuu ((dong hoc) OR (nang luc)) nganh khong hoc ma hai van phan van.
• Adding a wildcard symbol may retrieve word variants: te sach hoi tap, nghien cuu ((dong hoc) or (nang luc)) nganh khong hoc ma hai van phan van*.